{{define "cha02/user_add"}}
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>user add</title>
    </head>
    <body>
    user add

    <form action="/do_user_add">
        username:<input type="text" name="username"><br>
        password:<input type="password" name="password">
        <input type="submit" value="提交">
    </form>
    </body>
    </html>
{{end}}